Which letter is not used as a symbol of chemical element?

N
O
P
R
N is the chemical symbol of ni­tro­gen, O - oxygen, P - phos­pho­rus.

Answers distribution

N
O
P
R
answers
flagCanada
5%
0%
10%
85%
20
flagIndia
1%
8%
7%
81%
71
flagMalaysia
9%
0%
0%
81%
11
flagPoland
4%
6%
7%
80%
2040
flagPakistan
0%
0%
20%
80%
10
flagthe United States
5%
6%
8%
78%
145
flagthe United Kingdom
5%
11%
10%
69%
94
flagthe Philippines
14%
0%
14%
64%
14
flagNorway
9%
18%
9%
63%
11
flagGermany
5%
23%
17%
52%
17

Gender

men79%
women78%
N
4%
4%
O
7%
8%
P
8%
8%
R
79%
78%

Language versions

question
answers
results
flag
Which letter is not used as a symbol of chemical element?
386
79%

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Illustration: Bri Weldon
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